250R GPX MOTO 2-STROKE COMPLETE ENGINE KIT

Engine
   Engine type Liquid cooled 2-stroke
   Cylinder arrangement Forward inclined single cylinder
   Displacement 224 cm3
   Bore ¥ Stroke 66.8 ¥ 64.0 mm
   Compression ratio 6.5:1
   Starting system Electric starter
   Lubrication system Separate lubrication 

Engine oil
   Type 2-stroke engine oil
   Capacity
   Total amount 1.3 L

Transmission oil
   Type SAE 10W30 type SE motor oil
 Capacity
   Periodic oil change 0.8 L
   Total amount 0.85 L

Cooling system capacity
   (total amount) 1.26 L

Air filter Wet type element
Fuel Type Regular gasoline 
Unleaded fuel only 
Fuel tank capacity 11 L Reserve amount 2 L
Carburetor Manufacturer MIKUNI Model¥quantity TM30¥1
Spark plug Manufacturer/model NGK/BR9ES Gap 0.7ñ0.8 mm
Clutch type Wet, multiple-disc

Transmission

Primary reduction system Helical gear
Primary reduction ratio 54/21 (2.571)
Secondary reduction system Chain drive
Secondary reduction ratio 3.437
Number of drive chain
sprocket teeth (rear/front) 55/16
Transmission type Constant mesh 6-speed
Operation Left foot
Gear ratio 1st 2.750
2nd 1.875
3rd 1.411
4th 1.142
5th 0.956
6th 0.818